Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
  • A61N5/00—Radiation therapy
  • A61N5/06—Radiation therapy using light
  • A61N5/0613—Apparatus adapted for a specific treatment
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
  • A46B11/001—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs
  • A46B11/0017—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs with pre-pressurised reservoirs, e.g. aerosols
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B15/00—Other brushes; Brushes with additional arrangements
  • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
  • A46B15/0016—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means
  • A46B15/0036—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means with a lighting means, e.g. laser, bulb
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C19/00—Dental auxiliary appliances
  • A61C19/06—Implements for therapeutic treatment
  • A61C19/063—Medicament applicators for teeth or gums, e.g. treatment with fluorides
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
  • A61N5/00—Radiation therapy
  • A61N5/06—Radiation therapy using light
  • A61N5/0601—Apparatus for use inside the body
  • A61N5/0603—Apparatus for use inside the body for treatment of body cavities
  • A61N2005/0606—Mouth
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
  • A61N5/00—Radiation therapy
  • A61N5/06—Radiation therapy using light
  • A61N2005/0635—Radiation therapy using light characterised by the body area to be irradiated
  • A61N2005/0643—Applicators, probes irradiating specific body areas in close proximity
  • A61N2005/0644—Handheld applicators

Definitions

• the teeth are the first human organs to die, even though the other organs are alive.
• teeth are the most resistant organs of the human body.
• tooth loss could be regarded as the most democratic of human misfortunes: - it reached equally rich and poor, educated and illiterate, the proletarians and the poor. potentates.
• Teeth can withstand the enormous mechanical stresses required to chew harder foods like meat, seeds and certain fruits; They also support large variations in food temperature and pH, but are fragile in the face of bacterial activity, which consumes them through a process called caries formation and gum disease.
• the human being is born with a provisional dentition that begins to fall from 5 years, in a process that lasts until about 10 years, when it is replaced by the definitive dentition, which, except for artifices, once lost, does not reconstitute itself. .
• Figure 3 is a graph showing the radiant energy of sunlight as a function of each wavelength and showing a difference in catalytic activity of doped Titanium Dioxide particles under visible light compared to a nanometer particle of the same material, but not doped and that It only manifests such a phenomenon under ultraviolet light, which is harmful to human tissues.
• E - A handle, body or toothbrush handle, as in item "D" above also containing, inside, a Lenz and Faraday generator set, consisting of a magnet that can move within a coil extends over a suitable fraction of the cable to which batteries and / or capacitors are properly connected in parallel and, via a switch button, laser and / or LEDs so that such cable is agitated in its
• G - A handle, body or toothbrush handle on which materials of manufacture are composed fluorescent substances and nanometric particles which, activated by lights of between 400 nm and 800 nm, from laser diodes, present in the appropriate place from the toothbrush handle, produce respectively microbicidal heterogeneous fluorescence and photo-catalysis;
• I - A handle, body or toothbrush handle containing, in its front part, such that allow the fitting and detachment of the replaceable bristle holders simply by introducing one piece inside the other, by the congruence between these two pieces. .
• iron doped Titanium Dioxide nanoparticles The preferred use of about 0.5% by weight of iron doped Titanium Dioxide nanoparticles is that, if swallowed by users, they are harmless to the human body and, in the presence of gastric juice, become titanium tetrachloride - which has no photocatalytic activity - and those released to the sewage are transformed into sulfides and sulfites by combinations with such anions from the biodegradation of alkyl sulfates from detergents, soaps, shampoos and toothpastes, which do not harm the biota of the sewers.
• the function of fluorescent substances in toothpastes is to overcome the opacity barrier formed by the thousands of gaseous bubbles that form the toothpaste foams, which prevent light from entering the foam surface, causing the heterogeneous photocatalysis is always performed inside the toothpaste film that will be covering teeth and gums;
• the frequencies emitted by the laser or LED emitting diodes present in the toothbrush handles are chosen so that they are compatible with the maximum yield of the ability to excite both the fluorescent substances and the heterogeneous photocatalysis generating nanoparticles present in the toothpaste. , on toothbrush handles, replaceable bristle holders and on the bristles themselves.
• Nanoparticles 1 o - Nanoparticles, nanometric particles and nanostructured particles.
• nanostructured particles such as open or closed nanotubules, lamellar and tubular structures, double or single walled, self-enclosed or spatial, closed and large surfaces, such as fullerenes and especially the fullerene C60, active microbicidal and antiviral.
• nanoparticles have been used interchangeably to designate structures with major dimensions between 10 and 100 nm encompassing an indescribable amount of chemical compositions and crystal structures, pure or doped with miscellaneous hetero atoms.
• nanometric particles “nanoparticles” or “nanostructured particles”, for all purposes of this Patent, unless otherwise indicated, always refers to any and all species of these particles, whether single or doped, occurring singularly. or of various natures and mixed in any proportions.
• the core concept of the object of this Patent is the heterogeneous photocatalysis production of nanoparticles by excitation thereof by electromagnetic radiation between wavelengths around 400 nm and near infrared, with wavelengths around 800nm
• the advance on the state of the art is the innovative application of the production of this electromagnetic spectrum generated by generating diodes laser and / or LEDs, whether or not combined with fluorescence light generation in the surrounding liquid environment of such nanometer particles, for the economical and practical achievement of heterogeneous photocatalysis, for microbicidal, effective effects against viruses, fungi, bacteria and protozoa such as non-picker microbicidal feature.
• the lethal effect of heterogeneous photocatalysis is photochemical and its mechanism of action is the destruction of cell membranes, cell walls and viral capsules by the action of the oxhydryl ion (OH " ), which is generated.
• OH oxhydryl ion
• the lethal mechanism is the fixation of such particles on the surfaces or inside pores of the viral membranes or capsules, so that metabolism of these microorganisms is impossible.
• Nanoparticulate ⁇ 0 2 - dimensions between 10nm and 100 nm - is the subject of numerous works by researchers in the fields of nanoscience and nanotechnology.
• the nanoparticle surfaces are extremely irregular and the surface area increase is even greater and, as photochemical reactions occur on the surface of the ⁇ 2 crystal structure, derisory amounts, such as a few micrograms of the product, lead to great results.
• the nanoparticle conformation elevates the Ti0 2 gap energy (Egap), making it more photo active and more efficient as this is a surface function.
• Ti0 2 nanoparticles are currently readily available on the market at low prices - $ 85.00 per 100 grams - and are employed, for the purposes of this Patent, at even lower concentrations than "1 mcg / g", that is to say. derisory costs.
• Degussa Corporation's P-25 nanoparticle with an average size of 50 nm is one of the most widely used and has a large number of experiments described in the literature.
• 0 ⁇ 2 exists in nature in three crystalline forms: anatase, rutile and brookite, rutile being the most abundant form, although anatase is the form with the highest photoactive potential of all Ti0 2 crystalline phases.
• Ultraviolet radiation is classified into three categories as a function of wavelength:
• 1 - UV-A between 320 nm and 400 nm
• 2 - UV-B between 280 nm and 320 nm
• UV-B and UV-C due to the high energy content of their radiation, have carcinogenic effects and cannot be fixed.
• Ti0 2 particles with metallic cations Ti0 2 " M +
• transition metals to the Ti0 2 crystal structure allows the electromagnetic absorption to be extended to the visible light region and near infrared (with wavelengths close to 800 nm), thus maintaining its photocatalytic efficacy at the same time. avoid the risks of ultraviolet light.
• the photocatalytic reactivity of (20 2 ' M + ) depends on several factors, including the doping method, the doping ion concentration, the heat treatment (sample calcination) and the electronic configuration of the doping agent in the anatase crystal structure.
• doping Ti0 2 with 0.5 wt.% Fe (III) has been the main process of effectively achieving heterogeneous photo-catalysis without the use of ultraviolet light, i.e. within the spectrum. visible and infrared near light radiation.
• the Graph in Figure 3 shows the "Electromagnetic energy - at 10 ⁇ 3 W / m 2 - of sunlight as a function of wavelength in nm"; this graph allows the comparison of the features of the photocatalytic performance of Ti0 pure 2 and Ti0 2 doped when both are exposed to sunlight, and such yield applies also to any other nanometric particles, doped by any form, become photocatalytic when illuminated by the visible spectrum.
• the region of the Chart marked by segment A-B indicates the region of ultraviolet light between 200 and 400 nm and the region indicated by segment C-D, the region of visible light.
• heterogeneous photo-catalysis to be obtained by electromagnetic irradiation in the visible and near infrared light range, on doped Ti0 2 nanoparticles, or others, to be made by the light emission between violet and infrared, by all the components of this spectral range, mixed in various proportions, or by the irradiation of white light.
• the aforementioned photocatalytic effects can also be obtained by hundreds of other heterogeneous photo catalysis generating substances such as as Zr0 2, Sn0 2, doped or not, and / or any other that activated by light violet, blue, white or other colors, alone or combined with each other in any proportions, producing photo-catalysis heterogeneous.
• other heterogeneous photo catalysis generating substances such as Zr0 2, Sn0 2, doped or not, and / or any other that activated by light violet, blue, white or other colors, alone or combined with each other in any proportions, producing photo-catalysis heterogeneous.
• Matsunaga et al (1985) demonstrated that surfaces containing titanium dioxide, irradiated by ultraviolet light, kill bacteria such as Lactobacillus acidophilus, Escherichia coli and yeast such as Saccharomyces cerevisiae. These researchers also demonstrated that such photo-destructive action is associated with the reduction of coenzyme-A intracellular levels, by photo-oxidation and by progressive increase of the cell membrane permeability, destroying its "barrier" effect, which implies the free flow of intracellular content and death of the microorganism.
• Figure 1 is a schematic view, in horizontal section, without obeying the actual proportions of the component parts, of the preferred embodiment of the toothbrush handle (1) which comprises the "PHOTOCATALYSTAL DENTAL BRUSH SET" BRUSH AND DENTIFICATION ", object of this Patent;
• the watertight cable (2) the inside of which is hermetically sealed to prevent water contact with the electro-electronic devices inside, where they are properly placed, this space being limited by the insulator (3);
• the bar (8) made of material non-magnetic, with the springs (6) at both ends, the high magnetic power cylindrical magnet (7), which can move freely through the bar (8) in both directions, and upon reaching the springs (6) reverses its movement, both of which are placed inside the induction coil (6A), becoming a Lenz and Faraday generator that generates alternating electrical energy when the watertight cable (2) is moved in the direction of "go and go".
• hole (16) through which the light radiations, generated by the laser emitting diodes and or LEDs (14), reach the inside of the user's mouth for the generation of heterogeneous photocatalysis.
• hole (1 6) is fully occupied by the semi-cylindrical lens (15), made of clear plastic, which hermetically seals the hole (16), preventing the laser and / or LEDs (14) from being hit by water and also causes that the thin laser beams emitted by the laser diodes and or LEDs (14) become a horizontal beam of light orthogonal to the length of the sealed cable (2) of the toothbrush (1) or that is, in the same direction as the mouth opening, to reach all the teeth.
• Figure 1 also shows the couplings of the end (5) of the toothbrush (1) with its tightened cable (2) which is made by pressure, by forcibly engaging the groove (4A) with the sealing ring (4) .
• Figure 2 is a schematic front view of the replaceable supports (17) of the nanoparticle bristles (18) in which the bristles are viewed with nanoparticles (18), the light-through window (19) generated by the laser and / or LED generating diodes (14), focused by the semi-cylindrical lens (15), which seals the orifice (16) and the locking tabs (20) ) which, in any case, usually by congruence, juxtaposition and light pressure, fit into the end (5) of the toothbrush (1);
• Such feature allows the object of this patent to use replaceable holders (17) of disposable nanoparticle bristles (18) and replaceable with new sets, saving for users.

Landscapes

• Health & Medical Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Engineering & Computer Science (AREA)
• Biomedical Technology (AREA)
• Veterinary Medicine (AREA)
• Public Health (AREA)
• Life Sciences & Earth Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• Radiology & Medical Imaging (AREA)
• Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
• Pathology (AREA)
• Physics & Mathematics (AREA)
• Optics & Photonics (AREA)
• Chemical & Material Sciences (AREA)
• Dispersion Chemistry (AREA)
• Oral & Maxillofacial Surgery (AREA)
• Dentistry (AREA)
• Epidemiology (AREA)
• Cosmetics (AREA)
• Brushes (AREA)

Priority Applications (1)

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Publications (1)

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Cited By (1)

Citations (6)

• 2012
  • 2012-02-13 WO PCT/BR2012/000038 patent/WO2013120155A1/fr not_active Ceased

Patent Citations (6)

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